Quality Control in the Implementation and Supervision of Steel Building Construction Projects: Case Study at PT XYZ: Pengendalian Mutu Pada Pelaksanaan Dan Pengawasan Proyek Konstruksi Gedung Baja: Studi Kasus Di PT XYZ. PELS [Internet]. 2026 Oct. 30 [cited 2026 Nov. 15];10(1):1239-47. Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/2048